var str =
  "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyTmFtZSI6InhpYW96aGkiLCJpZCI6OSwiaWF0IjoxNTk0MDA2Njc2LCJleHAiOjE1OTQwNDI2NzZ9.o_9ipHidr_KhgU98lYOQbbQrR8j3RZxGIgrWBO74Qbs";
const jwt = require("jsonwebtoken");

const d = jwt.verify(str, "ff");
console.log(d);
